$5,000 (Face Value)of Bonds with a Book Value of $4,300

$5,000 (face value) of bonds with a book value of $4,300 was retired 4 years and 9 months prior to maturity.The dollar amount (excluding interest) paid to retire the bonds was $4,700.The entry to record the retirement would include:

A) dr. bonds payable $5,000
B) cr. cash $4,300
C) dr. bonds payable $4,700
D) cr. unusual gain $400